package com.zhentao.interceptor;


import com.zhentao.common.ThreadLocalUtil;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * @author : mgh
 * @date : 2024-07-02 9:33
 * @effect : 当前类的作用是
 * @projectTeam :
 */

public class WmTokenInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        //加判断，登录操作的时候不需要获取userId
        //1.获取到token
        String userId = request.getHeader("userId");
        System.out.println(userId+"---------------我是传入的userId");
        //2.需要在业务里面使用 参数需要进行传递 传入到线程
        ThreadLocalUtil.set(userId);

        System.out.println(ThreadLocalUtil.get()+"-------------我是获取的userId");
        return true;
    }

    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
        HandlerInterceptor.super.postHandle(request, response, handler, modelAndView);
    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
        HandlerInterceptor.super.afterCompletion(request, response, handler, ex);
    }
}
